[llvm] [XCOFF] Support the subtype in Dwarf section headers (PR #81667)

[James Henderson via llvm-commits]

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@@ -84,6 +84,7 @@ entry:
 ; SEC-NEXT:      NumberOfRelocations: 0
 ; SEC-NEXT:      NumberOfLineNumbers: 0
 ; SEC-NEXT:      Type: STYP_DWARF (0x10)
+; SEC-NEXT:      DwarfSubType: SSUBTYP_DWABREV (0x60000)
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jh7370 wrote:

Is this test still passing? The field is `DWARFSubType` now.

https://github.com/llvm/llvm-project/pull/81667